package com.itheima.sh.controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import java.util.Map;

@RestController
@RequestMapping("consumer")
public class ConsumerController {

    @Autowired
    private RestTemplate restTemplate;

    @Autowired
    DiscoveryClient discoveryClient;

    @GetMapping("{id}")
    public Map queryById(@PathVariable("id") String id) {


//        List<ServiceInstance> instances = discoveryClient.getInstances("user-service");
//        ServiceInstance serviceInstance = instances.get(0);
//        String host = serviceInstance.getHost();  //获取主机地址
//        int port = serviceInstance.getPort();   //获取端口
//        String url = "http://"+host+":"+port+"/user/"+id;  //获取请求地址



        //        String url = "http://127.0.0.1:8081/user/" + id;
        //        // 调用RestTemplate的getForObject方法，指定url地址和返回值类型
        //        Map map = restTemplate.getForObject(url, Map.class);
        //        return map;


        String url = "http://user-service/user/" + id;
        Map user = restTemplate.getForObject(url , Map.class);
        return user;
    }
}
